function tagStatisticGraph(root, flatData, taxonomies) {
	var hiddenTaxonomies = [];

	var margin = {top: 0, right: 0, bottom: 0, left: 0},
		width = 960 - margin.left - margin.right,
		height = 500 - margin.top - margin.bottom;

	var color = d3.scale.category20c();

	var treemap = d3.layout.treemap()
		.size([width, height])
		.sticky(true)
		.value(function (d) {
			return d.size;
		});

	var div = d3.select("#treemapGraph").append("div")
		.style("position", "relative")
		.style("width", (width + margin.left + margin.right) + "px")
		.style("height", (height + margin.top + margin.bottom) + "px")
		.style("left", margin.left + "px")
		.style("top", margin.top + "px");

	var node = div.datum(root).selectAll(".node")
		.data(treemap.nodes)
		.enter().append("div")
		.attr("class", "node")
		.attr("title", function (d) {
			return d.name + ': ' + d.size
		})
		.attr("id", function (d) {
			return d.name + '-node'
		})
		.call(position)
		.style("background", function (d) {
			return d.children ? color(d.name) : null;
		})
		.text(function (d) {
			return d.children ? null : d.name;
		});

	taxonomies.forEach(function (taxonomy) {
		$("#" + taxonomy + "-colour").css("background-color", $("#" + taxonomy + "-node").css('background-color'));
	});

	d3.selectAll("input").on("change", function change() {
		var value = this.value === "count" ? function () {
			return 1;
		} : function (d) {
			return d.size;
		};
		node
			.data(treemap.value(value).nodes)
			.transition()
			.duration(1500)
			.call(position);
	});

	function position() {
		this.style("left", function (d) {
			return d.x + "px";
		})
			.style("top", function (d) {
				return d.y + "px";
			})
			.style("width", function (d) {
				return Math.max(0, d.dx - 1) + "px";
			})
			.style("height", function (d) {
				return Math.max(0, d.dy - 1) + "px";
			});
	}

	function updateTaxonomies() {
		var value = function (d) {
			tagTaxonomy = d.name.split(':')[0];
			if (taxonomies.indexOf(tagTaxonomy) == -1) {
				tagTaxonomy = 'custom';
			}
			if ($.inArray(tagTaxonomy, hiddenTaxonomies) > -1) {
				return 0;
			} else {
				return flatData[tagTaxonomy][d.name]['size'];
			}
		};
		node
			.data(treemap.value(value).nodes)
			.transition()
			.duration(1500)
			.call(position);
	}

	$('.treemap-selector').click(function () {
		var taxonomy = $(this).data("treemap-selector");
		var index = hiddenTaxonomies.indexOf(taxonomy);
		if ($(this).hasClass("bold")) {
			$(this).removeClass("bold");
			if (index < 0) {
				hiddenTaxonomies.push(taxonomy);
			}
		} else {
			$(this).addClass("bold");
			if (index > -1) {
				hiddenTaxonomies.splice(index, 1);
			}
		}
		updateTaxonomies();
	});
}
